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Finding the Fourth Proportional to 247,793.60, 371,644.88 and 112,825.68

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Solution

The fourth proportional to 247,793.60, 371,644.88 and 112,825.68 is: 169,217.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,793.60 : 371,644.88 = 112,825.68 : x
  2. Step 2: Convert to fraction form
    247,793.60/371,644.88 = 112,825.68/x
  3. Step 3: Cross multiply
    247,793.60x = 371,644.88 × 112,825.68
  4. Step 4: Simplify right side
    247,793.60x = 41,931,086,304.52
  5. Step 5: Solve for x
    x = 41,931,086,304.52/247,793.60
  6. Step 6: Final answer
    x = 169,217.79

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.